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  1. Australia
    for the Americans, (250 miles). Says I’m using about 12.9L/100km which I feel is too high? im assuming it’s because the trip to Uni is pretty steep and nothing but stop and go, but if not, what could be the issue?
  2. E46 General
    This is going to be a long one, but I'm going to try and explain my problem as best as I can. To start, I have a 2002 330ci 5MT with an m54 from a 2005 330i (done by the previous owner), 3.64 LSD from a ZHP, and some other minor modifications. I'm unsure if the DME was swapped to MS45.1, but...
  3. E46 General
    HELP PLEASE :'( Hi everyone. I have a 2002 330ci with the zf steptronic (automatic) transmission. 140k miles. I have been having this issue where when I hit the gas and get up to 6800 rpm it will throw a P1353 code (Cylinder 6 misfire and fuel cut off). It will start running rough and when I...
  4. E46 M3
    Hi everybody I have a 02 m3 smg with 110k miles. The other day it gave me a AE code it’s something fuel related. What can cause that because it can’t be a fuel pump cause it’s only related to cylinder 1-3.
  5. E46 General
    Hello everyone. For me, the next step in the quest of living with a daily e46 as a broke student is trying to figure out what is going on with my idle. Today the car got flooded in the trunk (and I mean flooded like in a gallon of water inside the battery compartment). I sealed the place...
  6. Motorsports, Track
    I'm at my wits end trying to figure out why my '01 330i suddenly lost its power a while back. The only way I can describe it is that it just feels like it has no balls anymore, no oomph, no get up and go. I have owned multiple of these cars and done all the work myself, so I am very familiar...
  7. E46 General
    Hey guys been chasing this crank no start problem for quite some time now on my 2001 automatic m54 330ci. I’ve replaced: Intake cam sensor Exhaust cam sensor Crank sensor Both intake boots New fuel filter, with pressure reg inbuilt New fuel pump New coilpacks New spark plugs the issue...
  8. E46 XI
    Howdy! I have an 02 325xi, about 195k on it, and I daily drive it to work and back around 45mi per day, minimum. I have had great success with this car (my third E46, specifically my third 2002MY) which I got at a steal for $500 in "non-running" condition. After plugging a coil pack back in, I...
  9. Driveline, Performance, Tuning
    Greetings, I have an M54b30 and I've been having an issue with the car behaving sluggish once reaching operating temperature, there's a night and day difference with torque output between driving it within the first 10 minutes of start up (when still running cold) and then once at operating...
  10. E46 General
    Hi Fanatics, I am in the UK and in line with government policies, E10 fuel has arrived and is now the standard unleaded fuel replacing E5. Having checked on the government website, it says all BMWs are fine to run on the new E10 fuel. So I've just wanted to ask if anyone has run on the new E10...
  11. Driveline, Performance, Tuning
    Hello guys. I’ve got M54B30 in my ‘01 E46 and noticed that after I replaced the fuel pump, my LTFT on both banks are about -4 % to -7% which is almost rich condition. Now, i’ve already used the magic of reset adaptations, but after few kilometers, the LTFT readings are back to negative numbers...
  12. E46 General
    So the fuel filter I order arrived and the vacuum line nozzle thingy was crooked. I don’t know if it has been bent during transports or if it’s factory error. I can’t see any obvious cracks or anything. So is it safe to use? Or should I consider buying a new one?
  13. E46 General
    Hello everyone. Continuing the saga on my e46 323ci shaking. I've came across this wonderful video by 50sKid showing how to diagnose engine problems using fuel trims. As the maniac i am, i followed every step just as described in the video, same adapter and software, and got the following...
  14. E46 M3
    2003 bmw m3 convertible has a intermittent problem,happens most of the time fuel pump will not stop running when the key is in the start position and/or on position happens most of the time when it warms up would that be the relay,fuel pump,pressure regulator? is it because the fuel pump wont...
  15. E46 General
    Hi, can anyone help. I've purchased a new fuel pump by Bosch. I checked part numbers on real oem using the vin and ensured the specific numbers matched yet the new pump is significantly smaller as you can see in the first picture. The car is a 2002 330 ci. My question isn't so much what do I do...
  16. Driveline, Performance, Tuning
    Hello all! I am just getting started into learning about ECU tuning. I watched a really good series on Youtube (video at bottom of post) that talked about the general process of tuning. Someday in the far far future I would love to turbo my car (325i) so I am trying to apply what I learned in...
  17. E46 General
    Good day! I hope everything finds you well, (brief history 2002 325ci) I've had the car for almost 2.5-3 years, got it at 122k miles, it is now at around 145k miles. When I got the car, I replaced spark plugs (no coils), did complete coolant system refresh, fluids(brake, tran, diff) and lots of...
  18. E46 General
    I have a car BMW e46 318i 1995 ccm with engine n42 (143 hp) made 2004 / Jaunuary. When analyzing OBD data with Konnwei KW850 diagnostic computer, I checked the fuel mixture preparation. I need help with one piece of information. A diagnostic computer displays "datastream", where they are basic...
  19. E46 General
    Hi! I really need some help. I've got a 2005MY 320D, which, about a month ago wouldn't start. I towed it to my local BMW workshop to have the problem identified, and after a while they told me that the pre-supply fuel pump was faulty and needed replacing. Being young and a student, naturally I...
  20. E46 General
    I recently diagnosed a Fuel Sending Unit error after driving around with my fuel gauge on empty for a while. Driver side unit checked out, but the passenger side unit on the fuel pump was reading as bad. Since the pump has been working fine, I didn't want to have to replace it just because of...
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